Blower fan



FIG. 1 is a front view of a blower fan showing a first embodiment of our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

FIG. 8 is a front view of a blower fan showing a second embodiment of our new design;

FIG. 9 is a rear view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof; and

FIG. 14 is a perspective view thereof;

FIG. 15 is a front view of a blower fan showing a third embodiment of our new design;

FIG. 16 is a rear view thereof;

FIG. 17 is a left side view thereof;

FIG. 18 is a right side view thereof;

FIG. 19 is a top view thereof;

FIG. 20 is a bottom view thereof; and

FIG. 21 is a perspective view thereof;

FIG. 22 is a front view of a blower fan showing a fourth embodiment of our new design;

FIG. 23 is a rear view thereof;

FIG. 24 is a left side view thereof;

FIG. 25 is a right side view thereof;

FIG. 26 is a top view thereof;

FIG. 27 is a bottom view thereof; and

FIG. 28 is a perspective view thereof;

FIG. 29 is a front view of a blower fan showing a fifth embodiment of our new design;

FIG. 30 is a rear view thereof;

FIG. 31 is a left side view thereof;

FIG. 32 is a right side view thereof;

FIG. 33 is a top view thereof;

FIG. 34 is a bottom view thereof; and

FIG. 35 is a perspective view thereof;

FIG. 36 is a front view of a blower fan showing a sixth embodiment of our new design;

FIG. 37 is a rear view thereof;

FIG. 38 is a left side view thereof;

FIG. 39 is a right side view thereof;

FIG. 40 is a top view thereof;

FIG. 41 is a bottom view thereof; and

FIG. 42 is a perspective view thereof;

FIG. 43 is a front view of a blower fan showing a seventh embodiment of our new design;

FIG. 44 is a rear view thereof;

FIG. 45 is a left side view thereof;

FIG. 46 is a right side view thereof;

FIG. 47 is a top view thereof;

FIG. 48 is a bottom view thereof; and,

FIG. 49 is a perspective view thereof.

The portions of the blower fan shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a blower fan, as shown. 